diff --git a/lib/error.c b/lib/error.c
index f56e5516..f837e912 100644
--- a/lib/error.c
+++ b/lib/error.c
@@ -39,6 +39,8 @@
 #pragma warning(disable : 4996)
 #endif
 
+IMB_DLL_LOCAL int imb_errno;
+
 int imb_get_errno(IMB_MGR *mb_mgr)
 {
         /* try get IMB_MGR error status first */
diff --git a/lib/include/error.h b/lib/include/error.h
index 1f0e7733..cd9e9b90 100644
--- a/lib/include/error.h
+++ b/lib/include/error.h
@@ -32,7 +32,7 @@
  * declare global variable to store
  * process wide error status
  */
-IMB_DLL_LOCAL int imb_errno;
+extern int imb_errno;
 
 /**
  * @brief API to set error status